Summary:
This small PR introduces the following changes to the `Pressability`:
* fixes typo in internal `isActivationTransiton` variable name
* assigns `onPressMove` to variable before check and potential usage (this is the common pattern in this file)
* utilizes destructuring assignment to simplify passing coordinates to `_touchActivatePosition`
## Changelog
[Internal] [Fixed] - Pressability: fix typo in variable, follow event check pattern, small tweak
Pull Request resolved: https://github.com/facebook/react-native/pull/30151
Test Plan: Successful `yarn test` run.
Reviewed By: kacieb
Differential Revision: D25545662
Pulled By: nadiia
fbshipit-source-id: 8d311fe21b485ee707e05dad120322b3027e686b